Stereotype casting machine



Sept. 4, 1951 w. PETERSON STEREOTYPE CASTING MACHINE Original Filed March 11, 1948 l iahwm Wig/2e M few 107w kin/Q221 A Patented Sept. 4; 1951 2,566,581 STEREOTYPE CASTING MACHINE Wayne Peterson, Moorhead, Minn.

Continuation of application Serial No. 14,262, March 11, 1948. This application April 28, 1950,

Serial No. 158,747

1 Claim.

My invention relates generally to stereotype casting machines, and, more specifically, to a stereotype casting machine scorcher combination. The present application is a continuation of application Serial No. 14,262, filed March 11, 1948, now abandoned.

The primary object of my invention is the pro vision of a novel arrangement, including casting platens, metal pot, heater, and scorcher, wherein the heat utilized to melt type metal in the mettal port is also utilized for heating the scorcher platen.

Another object of my invention is the provision of a novel scorcher having relatively fixed and movable platens which may be readily separated for the insertion and removal therebetween of matrix to be dried and which will quickly close under the action of gravity without exerting undue (but uniform) pressure upon the matrix.

A still further object of my invention is the provision of a novel construction, which is rugged in construction, easy and quick to operate, and inexpensive to maintain.

The above and still further objects of my invention will become apparent from the following detailed specification, appended claim, and attached drawings.

Referring to the drawings, wherein like characters indicate like parts throughout the several views:

Fig. l is a perspective view of a stereotype casting machine incorporating my novel scorcher;

Fig. 2 is a side elevation with some parts being broken away and some parts shown in section;

Fig. 3 is an enlarged fragmentary view in cross section, taken substantially on the line 33 of Fig. 1; and

Fig. 4 is a view corresponding to Fig. 3, but showing a different position of some of the parts.

Referring with greater particularity to the drawings, the numeral l indicates, in its entirety, a frame structure preferably comprising laterally-spaced substantially parallel side members 2, a rear member 3, and a front member 4. The frame i is adapted to support, for rocking movements intermediate the side portions 2, a casting box having a lower platen 5 and an upper platen 6, which may be mounted therein in any conventional manner, such as illustrated in my Patent No. 2,442,246. Projecting upwardly from the frame I, adjacent the front end 4 thereof, are a pair of laterally-spaced parallel supporting members in the nature of flanges 1. Located intermediate the flanges 1, adjacent the upper portion thereof, and pivotally mounted thereto (as indicated at 8) isan elongated metal box or melting pot 9, which has upwardly-diverging sides ID. A tilting lever II is secured fast to the metal box 9 through one of the pivot connections 8 for tilting the metal pot 9 when it is desired to pour through a suitable pouring spout IZ-formed in the rear wall It] thereof. It will be observed that the pivot connections 8 are located to one side of the longitudinal center of the metal box 9. A front wall ID of the metal box is provided with a. forwardly-projecting flange l3, which is adapted to normally rest upon a supporting bracket l4 connecting its opposite ends to forward edges of the upstanding flanges 1.

Heating means, such as a gas burner I 5, is supported by the frame I through the medium of a pipe l6 and underlies the metal box 9 in spaced relation thereto. The numeral I1 indicates a suitable valve in the pipe or line It.

A scorcher, generally used to dry the mats before placing the same between the casting platens Sand 6, is mountd in a novel manner to utilize the waste heat from the heating element l5, deflected from the front side ID of the metal pot 9, as shown. A relatively fixed scorcher platen i8 is secured intermediate the flanges I, but forwardly thereof, by means of brackets l4 adjacent the upper edge of the flanges 1, and a pair of similar brackets l9 adjacent the lower ends of the flanges i. It will further be observed that platen l8 inclines slightly in a rearward direction and is provided preferably with a plurality of integrally-formed ribs 20 which serve not only to reinforce the same but also to provide heatcatching pockets. With reference particularly to Fig. 2, it will be observed that the bottom end of the scorcher element l8 projects below the level of the heating element l5, whereas the top edge thereof projects above the level of the metal box 9 with the rearwardly-inclined edge 2| thereof being in substantially the same vertical planeas the adjacent flange i3 of the metal box 9. It will further be observed, by reference to Fig. 2, that the heating element I5 is in a plane below medial center of the scorcher element I8. With this novel arrangement, the heat emanating from the heating element 15 is impinged upon the bottom of the metal box 9, whereupon it is deflected laterally outwardly and into contact with the scorcher element 8. The rearward inclination of the platen i8 assures a maximum utilization of the heat rising upwardly therebetween and the forwardly-inclined side H] of the metal box 9.

A movable platen 22 is mounted for movements toward and from face-to-face contact with the fixed platen I8 by means of opposed pairs of diagonally-disposed link 23, pivotally connected at their opposite ends to the side edges of the platens I8 and 22. It will be noted that the links 23 are parallel to each other and that one thereof is extended to form an operating lever 24. With this arrangement, the movable platen 22 is gravity-biased toward contact with the fixed platen l8 and may be moved upwardly and outwardly therefrom by merely pulling downwardly on the operating lever 24, as indicated by dotted lines in Fig. 2. Referring particularly to Figs. 3 and 4, it will be seen that the inner adjacent faces "of the platens are covered with suitable materials such as asbestos, indicated by the numeral 25. In use, the operating lever 24 is depressed 'to its dotted line position of Fig. 2, whereby to dispose the platen l8 and 22 in the spaced relation indicated in Fig. 4 and a mat inserted therebe'tw'een. Thereafter, the operating lever 24 is released and the movable platen 22 moves under the action of gravity toward contact with the fixed platen I8, as indicated in Fig. 3, whereby to frictionally hold the mat or matrix between the asbestos sheets 25 until it is dry. The matrix is indicated in Fig. 3 by the numeral 26. It will be noted that one matrix 26 may be drying between the scorcher platens l8 and 22 While another thereof is being used in the casting box made up of the platens and 6. The novel combination illustrated not only saves time but also utilizes wast heat for the drying of the matrix.

What I claim is:

In a device of the class described, a pair of spaced vertically-disposed frame members, a metal pot secured intermediate said members adjacent their upper ends, a pot heating element immediately below said metal pot for heating the same, and a scorcher plate carried by the upper portions of said frame members and shaped to extend therebetween and project above and laterally outwardly of said metal pot to provide therewith a heating zone for matrix to be dried.

WAYNE PETERSON.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 436,372 Murray Sept. 16, 1890 537.183 Buoher Apr.-9, 1895 723,65fl Curtiss Mar. 24, 1903 1,514,926 Powers Nov. 11, 1924 1,610,763 Fisher 'Dec. 14;, 1926 1,611,697 Toomey Dec. 21, 1926 1,632,646 Fitzsimmons June 14, 1927 2,222,227 Hamblen Nov. 19, 1940 

